8 April, 2011
Volume 16 No. 14
 
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In This Issue

Math Apps for the iPad

Wolfram Demonstrations Challenge

Eggbot

 


Online PD

Free:

Orientation Sessions

Math and Tech Workshops


Paid:

Problem Based Learning Courses

Graduate Credit:
Mathematics Teaching and Learning Certificate

Master's Degree

 

Math Apps for the iPad

http://mathforum.org/workshop/nctmindy/ipad/

The Math Forum's partners have developed some pretty cool apps for the iPad:

  • Shmuzzles: Cyber Shmuzzling
  • KenKen: Train Your Brain
  • ThinkFun: Rush Hour
  • ThinkFun: Solitaire Chess
  • Wolfram: Wolfram|Alpha computational knowledge engine

Come to our booths at NCSM (#512) and NCTM (#1243) to demo these apps — and enter for a chance to win an iPad of your own!

http://mathforum.org/workshops/nctm2011/


PoW taking place: math problem-solving moment of the week

"When I originally solved the problem, I did it one way, and didn't really think about the other ways to do it. But you guys came up with a number of other methods! The first thing that I liked about it was the word 'enneagon.' I learned this word years ago when cruising around in our Dr. Math archives. A number of people talked about looking it up — one person commented that he had never had to use a dictionary to solve a math problem before! But then a number of people pointed out that you didn't need to know what the word meant...."
- Annie, commenting on the current Geometry PoW's Latest Solution
http://mathforum.org/pows/solution.htm?publication=3929


Wolfram Demonstrations Challenge

http://demonstrations.wolfram.com/challenge/

Win Mathematica software, gift cards, and other prizes by correctly answering eight questions, such as "Which planet has an axial tilt closest to 90 degrees?"

Need some insights? Explore the accompanying Wolfram Demonstrations, which include

  • Axial Tilts of Planets
  • How Far Can One See from a Height?
  • Car on A Banked Road
  • Blood Type Inheritance
  • Lemon Batteries
  • Shakespearean Networks

The Wolfram Demonstrations Project uses Mathematica to illuminate concepts in science, technology, mathematics, art, finance, and other fields. Download Wolfram's free Computable Document Format (CDF) player to interact with any Demonstration right from your web browser:

http://demonstrations.wolfram.com/download-cdf-player.html

Your institution may already have a site license for Mathematica, which would let you create and share your own Demonstrations. Check here:

http://www.wolfram.com/solutions/highered/mathematicacampus.cgi


Now taking place: math education conversation of the hour

"I've been working with a 6th grade teacher since October. During our initial debriefings we agreed that her students weren't talking enough. They weren't engaged and one thing she wanted me to model is how to get students talking...."
- Suzanne, posted to her blog
http://mathforum.org/blogs/suzanne/2011/04/05/
lumps-of-clay-versus-sprouting-seeds/#comment-8


Eggbot

http://www.egg-bot.com/

The Eggbot is an open-source art robot that draws on spherical or egg-shaped objects.

The Eggbot decorates anything larger than a ping pong ball, and smaller than a grapefruit. It works by first importing an image, or drawing your own in the free vector graphics program Inkscape, and plotting your rectangular sketch onto what you've mounted in the Eggbot. Then just center the Eggbot and make sure its pen can reach your desired round surface — no knowledge of your object's size or curvature necessary.

Watch Eggbot's inventor, Bruce Shapiro, demonstrate his creation on "The Martha Stewart Show":

http://www.marthastewart.com/article/the-incredible-eggbot

For more design possibilities, browse the Eggbot plots freely shared by the Thingiverse community:

http://www.thingiverse.com/tag:eggbot/

In addition to Eggbot, Shapiro has also created other motion control machines, many for educational purposes in venues such as the Science Museum of Minnesota, where he has served as artist-in-residence. See Shapiro's K'nex Plotter, Slope Rider, Archimedes' Limit, Geyserbot, and other teaching machines, as well as his Pipedream bubble installations and kinetic sculptures at The Art of Motion Control site:

http://taomc.com/

 

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